{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T15:03:13Z","timestamp":1792508593369,"version":"4.5.0"},"reference-count":17,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2013,3,1]],"date-time":"2013-03-01T00:00:00Z","timestamp":1362096000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>An infrared lifetime thermal imaging technique for the measurement of lettuce seed viability was evaluated. Thermal emission signals from mid-infrared images of healthy seeds and seeds aged for 24, 48, and 72 h were obtained and reconstructed using regression analysis. The emission signals were fitted with a two-term exponential model that had two amplitudes and two time variables as lifetime parameters. The lifetime thermal decay parameters were significantly different for seeds with different aging times. Single-seed viability was visualized using thermal lifetime images constructed from the calculated lifetime parameter values. The time-dependent thermal signal decay characteristics, along with the decay amplitude and delay time images, can be used to distinguish aged lettuce seeds from normal seeds.<\/jats:p>","DOI":"10.3390\/s130302986","type":"journal-article","created":{"date-parts":[[2013,3,1]],"date-time":"2013-03-01T13:09:27Z","timestamp":1362143367000},"page":"2986-2996","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Mid-Infrared Lifetime Imaging for Viability Evaluation of Lettuce Seeds Based on Time-Dependent Thermal Decay Characterization"],"prefix":"10.3390","volume":"13","author":[{"given":"Ghiseok","family":"Kim","sequence":"first","affiliation":[{"name":"Center for Analytical Instrumentation Development, Korea Basic Science Institute,  169-148 Gwahak-ro, Yuseong-gu, 305-806 Daejeon, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Geon","family":"Kim","sequence":"additional","affiliation":[{"name":"Center for Analytical Instrumentation Development, Korea Basic Science Institute,  169-148 Gwahak-ro, Yuseong-gu, 305-806 Daejeon, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chi-Kook","family":"Ahn","sequence":"additional","affiliation":[{"name":"Department of Biosystems Machinery Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, 305-764 Daejeon, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoonkyu","family":"Yoo","sequence":"additional","affiliation":[{"name":"Marine Transportation Research Division, Korea Institute of Ocean Science and Technology,  321312 Beon-gil, Yuseong-daero, Yuseong-gu, 305-343 Daejeon, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8397-9853","authenticated-orcid":false,"given":"Byoung-Kwan","family":"Cho","sequence":"additional","affiliation":[{"name":"Department of Biosystems Machinery Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, 305-764 Daejeon, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2013,3,1]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"129","DOI":"10.1016\/S0065-2113(06)90004-2","article-title":"Development and testing of \u201con-farm\u201d seed priming","volume":"90","author":"Harris","year":"2006","journal-title":"Adv. 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